With rectified line voltage for a plate supply. Flip a coin. Plug it in. Touch the chassis. If you get a good shock, your coin is defective.
73 Paul -----Original Message----- From: "skipp025" [[email protected]] Date: 08/26/2010 12:11 PM To: [email protected] Subject: Re: [Repeater-Builder] Re: DC Electrical Systems (AC & DC Tube Radios) > "Ralph S. Turk" <w7...@...> wrote: > When I worked for Westinghouse Intl in the 60's, we > manufactured a special line of TV's, radios, and small > appliances for DC sections of the world. Our main office > was in New York City and we would get customers from > areas in NYC, SF and some other cities I can not remember > that only had 110VDC available. A lot of those old tube radios would operate on AC and DC and were often known as 5-tube AC & DC Radios. The tube heaters were all in a series string. cheers, s. ------------------------------------ Yahoo! Groups Links

